Possessing the same sophisticated features and accessories as our renowned DT105A and DT107A models, the DT-105A-S12 and 107A-S12 tachometers provide outstanding accuracy in measuring speed and direct linear length via a 12? wheel. The larger wheel rotates more slowly than a standard 6? wheel, thus enabling confident and safe high speed measurement. One year warranty.

Possessing the same sophisticated features and accessories as our renowned DT105A and DT107A models, the DT-105A-S12 and 107A-S12 tachometers provide outstanding accuracy in measuring speed and direct linear length via a 12? wheel. The larger wheel rotates more slowly than a standard 6? wheel, thus enabling confident and safe high speed measurement. One year warranty.